App
Help
SGD
Find Bookings
Trip.com
>
Flights
>
United States
>
District of Columbia
>
Flights to Washington D.C.
>
Cheap Flights from Great Falls to Washington D.C.
Worldwide Coverage
Worldwide Coverage
Flights to over 5,000 cities
One-stop Service Guarantee
One-stop Service Guarantee
Price guaranteed upon confirmed payment, booking guaranteed once tickets issued
Secure Payment
Secure Payment
Convenient & reliable booking and payment system

Cheap Flights from Great Falls to Washington D.C. starting at S$ 262

Whether you’re going for a one-way or round-trip to Washington D.C., we’ve got you covered! Check out these different flight options from Great Falls below.

  • One way
  • Round-trip
      • GTF06:40
        27h 23m
        1 stop
        DCA12:03
        Sun, Mar 9|Great Falls - Washington D.C.|United Airlines
        S$ 262S$ 741
        65% OFF
        65% OFF
        S$ 741S$ 262

        Fly from Great Falls to Washington D.C. on Sun, Mar 9 with United Airlines. One-way connecting flights with United Airlines depart Great Falls International Airport and arrive Ronald Reagan Washington National Airport starting at S$ 262 including taxes and charges.

      • GTF06:40
        7h 3m
        1 stop
        IAD15:43
        Wed, Mar 12|Great Falls - Washington D.C.|United Airlines
        S$ 301S$ 741
        59% OFF
        59% OFF
        S$ 741S$ 301

        Fly from Great Falls to Washington D.C. on Wed, Mar 12 with United Airlines. One-way connecting flights with United Airlines depart Great Falls International Airport and arrive Dulles International Airport starting at S$ 301 including taxes and charges.

      • GTF06:30
        27h 33m
        1 stop
        DCA12:03
        Tue, Feb 25|Great Falls - Washington D.C.|United Airlines
        S$ 381S$ 741
        49% OFF
        49% OFF
        S$ 741S$ 381

        Fly from Great Falls to Washington D.C. on Tue, Feb 25 with United Airlines. One-way connecting flights with United Airlines depart Great Falls International Airport and arrive Ronald Reagan Washington National Airport starting at S$ 381 including taxes and charges.

      • GTF06:40
        27h 24m
        1 stop
        DCA12:04
        Sun, Apr 20|Great Falls - Washington D.C.|United Airlines
        S$ 395
        S$ 395

        Fly from Great Falls to Washington D.C. on Sun, Apr 20 with United Airlines. One-way connecting flights with United Airlines depart Great Falls International Airport and arrive Ronald Reagan Washington National Airport starting at S$ 395 including taxes and charges.

      • GTF14:45
        12h 47m
        1 stop
        IAD05:32
        Sun, Mar 9|Great Falls - Washington D.C.|Alaska Airlines
        S$ 420
        S$ 420

        Fly from Great Falls to Washington D.C. on Sun, Mar 9 with Alaska Airlines. One-way connecting flights with Alaska Airlines depart Great Falls International Airport and arrive Dulles International Airport starting at S$ 420 including taxes and charges.

      • GTF05:59
        5h 58m
        1 stop
        DCA13:57
        Tue, Feb 25|Great Falls - Washington D.C.|Delta Air Lines
        S$ 450
        S$ 450

        Fly from Great Falls to Washington D.C. on Tue, Feb 25 with Delta Air Lines. One-way connecting flights with Delta Air Lines depart Great Falls International Airport and arrive Ronald Reagan Washington National Airport starting at S$ 450 including taxes and charges.

      • GTF05:59
        5h 48m
        1 stop
        IAD13:47
        Mon, Feb 24|Great Falls - Washington D.C.|Delta Air Lines
        S$ 450
        S$ 450

        Fly from Great Falls to Washington D.C. on Mon, Feb 24 with Delta Air Lines. One-way connecting flights with Delta Air Lines depart Great Falls International Airport and arrive Dulles International Airport starting at S$ 450 including taxes and charges.

      • GTF06:30
        13h 29m
        1 stop
        DCA21:59
        Mon, Feb 24|Great Falls - Washington D.C.|United Airlines
        S$ 501
        S$ 501

        Fly from Great Falls to Washington D.C. on Mon, Feb 24 with United Airlines. One-way connecting flights with United Airlines depart Great Falls International Airport and arrive Ronald Reagan Washington National Airport starting at S$ 501 including taxes and charges.

      • GTF14:45
        12h 47m
        1 stop
        IAD05:32
        Mon, Feb 24|Great Falls - Washington D.C.|Alaska Airlines
        S$ 561
        S$ 561

        Fly from Great Falls to Washington D.C. on Mon, Feb 24 with Alaska Airlines. One-way connecting flights with Alaska Airlines depart Great Falls International Airport and arrive Dulles International Airport starting at S$ 561 including taxes and charges.

      • GTF14:45
        29h 14m
        1 stop
        DCA21:59
        Wed, Mar 12|Great Falls - Washington D.C.|Alaska Airlines
        S$ 579
        S$ 579

        Fly from Great Falls to Washington D.C. on Wed, Mar 12 with Alaska Airlines. One-way connecting flights with Alaska Airlines depart Great Falls International Airport and arrive Ronald Reagan Washington National Airport starting at S$ 579 including taxes and charges.

      • GTF01:00 pm
        3h 5m
        Nonstop
        WAS02:00 pm
        Sun, Feb 23|Great Falls - Washington D.C.|United Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Great Falls to Washington D.C. Flight Time

Flight info.
Departure
Arrival
Weekly Schedule

  1. DL3862

    Delta Air Lines

    05:30

    GTF

    1.6h

    07:05

    SLC

    SMTWTFS
    Search

  2. DL2916

    Delta Air Lines

    08:00

    SLC

    2.8h

    11:48

    MSP

    SMTWTFS

  3. DL2963

    Delta Air Lines

    14:29

    MSP

    2.5h

    18:02

    DCA

    SMTWTFS

  4. DL3862

    Delta Air Lines

    05:30

    GTF

    1.6h

    07:05

    SLC

    SMTWTFS
    Search

  5. DL820

    Delta Air Lines

    10:07

    SLC

    4.3h

    16:22

    DCA

    SMTWTFS

  6. DL3834

    Delta Air Lines

    06:00

    GTF

    2.5h

    09:30

    MSP

    SMTWTFS
    Search

  7. DL5017

    Delta Air Lines

    12:59

    MSP

    1.9h

    15:50

    CVG

    SMTWTFS

  8. DL5134

    Delta Air Lines

    17:27

    CVG

    1.4h

    18:53

    DCA

    SMTWTFS

  9. DL3834

    Delta Air Lines

    06:00

    GTF

    2.5h

    09:30

    MSP

    SMTWTFS
    Search

  10. DL2983

    Delta Air Lines

    10:30

    MSP

    2.5h

    13:57

    DCA

    SMTWTFS

  11. DL3834

    Delta Air Lines

    06:00

    GTF

    2.5h

    09:30

    MSP

    SMTWTFS
    Search

  12. DL3680

    Delta Air Lines

    10:20

    MSP

    2.6h

    13:56

    IAD

    SMTWTFS

  13. UA4750

    United Airlines

    06:40

    GTF

    2.2h

    08:50

    DEN

    SMTWTFS
    Search

  14. F9688

    Frontier Airlines

    11:30

    DEN

    3.5h

    16:59

    DCA

    SMTWTFS

  15. UA4750

    United Airlines

    06:40

    GTF

    2.2h

    08:50

    DEN

    SMTWTFS
    Search

  16. UA2087

    United Airlines

    10:15

    DEN

    3.4h

    15:36

    IAD

    SMTWTFS

  17. UA4750

    United Airlines

    06:40

    GTF

    2.2h

    08:50

    DEN

    SMTWTFS
    Search

  18. UA1767

    United Airlines

    09:40

    DEN

    3.4h

    15:02

    DCA

    SMTWTFS

  19. DL3859

    Delta Air Lines

    12:40

    GTF

    1.7h

    14:24

    SLC

    SMTWTFS
    Search

  20. DL875

    Delta Air Lines

    15:50

    SLC

    3.9h

    21:43

    ATL

    SMTWTFS

  21. DL2549

    Delta Air Lines

    21:50

    ATL

    1.7h

    23:34

    IAD

    SMTWTFS

  22. UA5441

    United Airlines

    14:26

    GTF

    2.1h

    16:35

    DEN

    SMTWTFS
    Search

  23. UA2408

    United Airlines

    17:49

    DEN

    3.4h

    23:12

    IAD

    SMTWTFS
Find more flights and airlines

Cheapest time to fly from Great Falls to Washington D.C.

Explore the best time to buy affordable tickets to Washington D.C. with our price trend chart, which predicts how flight prices will change in the coming weeks from previous data.

Displayed prices are calculated based on the lowest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When to buy flight tickets from Great Falls (GTF) to Washington D.C. (WAS) the cheapest?

    Airlines adjust prices for flights from Great Falls to Washington D.C. based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much is a flight from Great Falls (GTF) to Washington D.C. (WAS) cost?

    According to Trip.com's data, the lowest price is around S$ 755.

  • How many airports in Washington D.C.?

    There are 2 airports near Washington D.C.: Ronald Reagan Washington National Airport and Dulles International Airport.

How to find a cheap flight from Great Falls to Washington D.C.

If you leave it until the last minute and forget to check some of the key information when booking tickets, prices can often end up skyrocketing. Below, you can find our top tips for getting the best value flights – from changing dates to chasing deals, there are plenty ways to keep your next trip affordable.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Find cheapest flight ticket from Great Falls to Washington D.C.

Cheapest direct flight priceS$ 262
Off-season for travelJanuary
Peak season for travelApril
Flight distance2,915.79km
Popular airlineAlaska Airlines

Contact Us

About

Other Services

Payment Methods
Our Partners
Copyright © 2025 Trip.com Travel Singapore Pte. Ltd. All rights reserved
Site Operator: Trip.com Travel Singapore Pte. Ltd. Travel License No. 02943